Skip to the beginning of the images gallery

4-Amino-benzenesulfonic acid monosodium salt - 97%, high purity , CAS No.515-74-2

5 Citations

COA

Grade & Purity:

≥97%

Cas Number: 515-74-2
Molecular Weight: 195.17
PubChem CID: 23664644
PubChem SID: 488200401

In stock

Item Number

A193694

Grouped product items
SKU	Size	Availability	Price
A193694-25g	25g	4	$20.90
A193694-100g	100g	4	$51.90
A193694-500g	500g	Available within 4-8 weeks(?) Items will be manufactured post-order and can take 4-8 weeks. Thank you for your patience!	$171.90

Basic Description

Synonyms	Sulfanilic acid monosodium salt \| YEA33370 \| 9YJ2Q81720 \| Benzenesulfonic acid, 4-amino-, sodium salt (1:1) \| GS-3364 \| sodium 4-azanylbenzenesulfonate \| A828659 \| CCRIS 7446 \| N-methypyrrolidone \| CAS-515-74-2 \| SCHEMBL646075 \| Benzenesulfonic acid, 4-am
Specifications & Purity	≥97%
Storage Temp	Room temperature
Shipped In	Normal

Taxonomic Classification

Taxonomy Tree

Kingdom Organic compounds
- Superclass Benzenoids
  - Class Benzene and substituted derivatives
    - Subclass Benzenesulfonic acids and derivatives

Kingdom	Organic compounds
Superclass	Benzenoids
Class	Benzene and substituted derivatives
Subclass	Benzenesulfonic acids and derivatives
Intermediate Tree Nodes	Not available
Direct Parent	Benzenesulfonic acids and derivatives
Alternative Parents	Benzenesulfonyl compounds 1-sulfo,2-unsubstituted aromatic compounds Aniline and substituted anilines Sulfonyls Organosulfonic acids Primary amines Organopnictogen compounds Organic sodium salts Organic oxides Hydrocarbon derivatives
Molecular Framework	Aromatic homomonocyclic compounds
Substituents	Benzenesulfonate - Arylsulfonic acid or derivatives - Benzenesulfonyl group - 1-sulfo,2-unsubstituted aromatic compound - Aniline or substituted anilines - Organic sulfonic acid or derivatives - Organosulfonic acid or derivatives - Organosulfonic acid - Sulfonyl - Organic alkali metal salt - Amine - Organic salt - Organic sodium salt - Hydrocarbon derivative - Organic oxide - Organopnictogen compound - Organic oxygen compound - Primary amine - Organosulfur compound - Organonitrogen compound - Organic nitrogen compound - Aromatic homomonocyclic compound
Description	This compound belongs to the class of organic compounds known as benzenesulfonic acids and derivatives. These are organic compounds containing a sulfonic acid or a derivative thereof that is linked to a benzene ring.
External Descriptors	Not available
1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61. DOI: 10.1186/s13321-016-0174-y

Names and Identifiers

Pubchem Sid	488200401
Pubchem Sid Url	https://pubchem.ncbi.nlm.nih.gov/substance/488200401
IUPAC Name	sodium;4-aminobenzenesulfonate
INCHI	InChI=1S/C6H7NO3S.Na/c7-5-1-3-6(4-2-5)11(8,9)10;/h1-4H,7H2,(H,8,9,10);/q;+1/p-1
InChIKey	KSVSZLXDULFGDQ-UHFFFAOYSA-M
Smiles	C1=CC(=CC=C1N)S(=O)(=O)[O-].[Na+]
Isomeric SMILES	C1=CC(=CC=C1N)S(=O)(=O)[O-].[Na+]
Alternate CAS	123333-70-0；6106-22-5
Molecular Weight	195.17
Reaxy-Rn	3919712
Reaxys-RN_link_address	https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=3919712&ln=

Certificates（CoA,COO,BSE/TSE and Analysis Chart)

C of A & Other Certificates(BSE/TSE, COO):

Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

14 results found

Lot Number	Certificate Type	Date	Item
F2502139	Certificate of Analysis	Jun 10, 2025	A193694
L2122283	Certificate of Analysis	Apr 18, 2025	A193694
B2520024	Certificate of Analysis	Feb 22, 2025	A193694
L2122207	Certificate of Analysis	Oct 22, 2024	A193694
L2122208	Certificate of Analysis	Oct 22, 2024	A193694
L2122209	Certificate of Analysis	Oct 22, 2024	A193694
G2121086	Certificate of Analysis	May 21, 2024	A193694
G2121088	Certificate of Analysis	May 21, 2024	A193694
E1814076	Certificate of Analysis	Jan 22, 2024	A193694
B2307211	Certificate of Analysis	Nov 30, 2021	A193694
B2307216	Certificate of Analysis	Nov 30, 2021	A193694
G2403012	Certificate of Analysis	Nov 30, 2021	A193694
B2310196	Certificate of Analysis	Nov 30, 2021	A193694
D2310202	Certificate of Analysis	Nov 30, 2021	A193694

Show more⌵

Chemical and Physical Properties

Molecular Weight	195.170 g/mol
XLogP3
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	4
Rotatable Bond Count	1
Exact Mass	194.997 Da
Monoisotopic Mass	194.997 Da
Topological Polar Surface Area	91.600 Å²
Heavy Atom Count	12
Formal Charge	0
Complexity	215.000
Isotope Atom Count	0
Defined Atom Stereocenter Count	0
Undefined Atom Stereocenter Count	0
Defined Bond Stereocenter Count	0
Undefined Bond Stereocenter Count	0
The total count of all stereochemical bonds	0
Covalently-Bonded Unit Count	2

Solution Calculators

Molarity Calculator

Determine the necessary mass, volume, or concentration for preparing a solution.

Mass

Concentration

Volume

M. Wt*

g/mol

*When preparing stock solutions, always use the batch-specific molecular weight of the product found on the vial label and the Certificate of Analysis (available online).

Dilution Calculator

Determine the dilution needed to prepare a stock solution.

Concentration 1 (C1)

Volume 1 (V1)

Concentration 2 (C2)

Volume 2 (V2)

Reconstitution Calculator

The reconstitution calculator enables you to quickly determine the volume of a reagent needed to reconstitute your vial. Just enter the mass of the reagent and the target concentration, and the calculator will do the rest.

Volume (to add to vial)

Mass (in vial)

Desired Reconstitution Concentration